Unit 2 decimals and fractions
12.29-6.15
6.14
Evaluate the expression when a=3 b=2 and c=12.
Evaluate 27 divided by a
9
X is grater than 24
Determined whether the ratios are equivalent or non:
28:32 and 7:8
They are equivalent
What is the least common multiple of 7 and 12?
84
2.46+11.81=
12.27
b x b x b
b3
P+6 is less than 8
P is less than 2
Determined whether the ratios are equivalent or non:
85:210 and 340:735
They are not equivalent.
Find the percent of the number 25% of 80?
45
39.34+17.009
56.349
Evaluate when a=3 b=2 and c=12
c divided by 6
2
Statistical or non statistical question:
How many inches are in a foot?
Non Statistical answer is 12 inches are in a foot.
Determined whether the ratios are equivalent or non:
5:3 and 15:32
They are not equivalent.
Find the percent of the number 16% of 140
22.4%
18.247-16.262
1.985
Evaluate when a=3 b=2 and c=12
b times c
24
Statistical or non Statistical :
How many senators are in congress?
Statistical question.
Determined whether the ratios are equivalent or non:
6:10 and 12:20
They are Equivalent.
Find the percent of the number 64% of 80
51.2%
Modeling in real life: A piece of wood is 4 feet long. How many 3/4 foot pieces can you cut from the pieces of wood? And also how much wood is left over.
16/3 or 5 1/3
Modeling in real life: You are saving to buy a meteorite fragment for $125. You begin with $45 and you save $3 each week. The expression 45=3w gives the amount of money you save after w weeks. Can you buy the meteorite after 20 weeks? Explain your answer.
No you can not buy the $125 meteorite after 20 weeks because you only have $105.
Statistical or non Statistical :
How many hours does a typical 6th grader use the internet for each week? Explain.
0,0,5,6,1,1,7,7,7,4,5
Statistical question because not all of the 6th graders have the same amount of time on the internet.
Review and refresh:
8.43 divided by 12.645
0.667
Make a stem and leaf plot of the data:
7,5,12,4,20,11,9,15,4,8,6,12
0,4,4,5,6,7,8,9,
1,1,2,2,5
2,0